This is for cutting acute angles easily using a tracksaw. This is at 30°, meaning that you are able to cut upto 78° easily with your tracksaw. Anti tips NOT included- please see seperate listing! Set of 3- which is ideal for rails upto 1400, longer rails may require more. Anti slip rubber pad Area for festool or similar quick clamp Area for bessey or similar Simple to fit/remove to the rails upto using a turn knob. Ideal for things like under stairs and angled units. Lightweight and portable. Anti tips do make this even easier! Designed, tested and manufactured in house. Works on Festool and makita rails/saws May fit other similar rails suck as evolution